1 | /* Copyright (C) 2002-2024 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | /* NOTE: this tests functionality beyond POSIX. POSIX does not allow |
19 | exit to be called more than once. */ |
20 | |
21 | #include <pthread.h> |
22 | #include <stdio.h> |
23 | #include <stdlib.h> |
24 | |
25 | static pthread_barrier_t b; |
26 | |
27 | |
28 | static void * |
29 | tf (void *arg) |
30 | { |
31 | int r = pthread_barrier_wait (barrier: &b); |
32 | if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD) |
33 | { |
34 | puts (s: "barrier_wait failed" ); |
35 | exit (1); |
36 | } |
37 | |
38 | exit (0); |
39 | } |
40 | |
41 | |
42 | static int |
43 | do_test (void) |
44 | { |
45 | if (pthread_barrier_init (barrier: &b, NULL, count: 2) != 0) |
46 | { |
47 | puts (s: "barrier_init failed" ); |
48 | exit (1); |
49 | } |
50 | |
51 | pthread_t th; |
52 | if (pthread_create (newthread: &th, NULL, start_routine: tf, NULL) != 0) |
53 | { |
54 | puts (s: "create failed" ); |
55 | exit (1); |
56 | } |
57 | |
58 | int r = pthread_barrier_wait (barrier: &b); |
59 | if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD) |
60 | { |
61 | puts (s: "barrier_wait failed" ); |
62 | exit (1); |
63 | } |
64 | |
65 | /* Do nothing. */ |
66 | if (pthread_join (th: th, NULL) == 0) |
67 | { |
68 | puts (s: "join succeeded!?" ); |
69 | exit (1); |
70 | } |
71 | |
72 | puts (s: "join returned!?" ); |
73 | exit (1); |
74 | } |
75 | |
76 | #define TEST_FUNCTION do_test () |
77 | #include "../test-skeleton.c" |
78 | |